Răspuns:
1. I knew I did well at the exams before I would see the score.
2. It was too late when I found out that this whole time while I was writing to my friend my mom opened my letter and she was reading my answers.
3. I didn't realize that I forgot my umbrella in the bus until it started to rain.
4. After I read the manual I realized how my computer works.
5. By the time we got to the elevator, she cleared the room.
6. The planes disappeared before he even saw them.
7. I tried to call, but something happened with the phone.